Plastic and nonmetallic article shaping or treating: processes – Dental shaping type
Patent
1988-11-07
1990-09-18
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Dental shaping type
264 19, 264338, 427133, B28B 736
Patent
active
049576674
ABSTRACT:
A method of making a positive model of a tooth or gum including the steps of pouring hardenable positive impression material into a negative impression of the tooth or gum comprising a cured, vinyl polysiloxane composition, and hardening the positive impression material, and further including applying finely divided palladium over at least part of the surface of the negative impression that will contact the positive impression material before pouring the hardenable positive impression material.
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Fiorilla Christopher A.
Minnesota Mining and Manufacturing Company
Silbaugh Jan H.
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